<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        
    </style>
</head>
<body>
  <svg width="400" height="400"  style="border: 1px blue solid">
      <circle r="20" cx="20" cy="20" fill="blue"></circle>
  </svg>
   <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
        viewBox="0 0 300 200" xml:space="preserve">
       <circle></circle>
   </svg>
</body>
</html>